* {
    margin: 0;
    padding: 0;
}

#pagecut {
    width: 1000px;
    margin: 200px auto;
    display: flex;
}

.page-btn span {
    margin: 0 5px;
    padding: 3px 5px;
    border: 1px solid #ccc;
    user-select: none;
}

.next,
.prev {
    user-select: none;
    margin: 0 10px;
}

#list {
    width: 1000px;
    height: 200px;
    margin: 0 auto;
}

.active {
    background: skyblue;
    color: #fff;
}